The SR927W battery can be replaced by equivalent button cell batteries like SR57, SR927, SB-BP, 280-44, V399, 613, GP399, and 926E. These batteries are often used in watches. Ensure compatibility with your device before replacing. Check your device specifications for the correct battery size and type.
Consumers should also consider lithium and alkaline variants, which may vary in shelf life and performance. Lithium batteries typically provide longer-lasting power, while alkaline options are more affordable. When selecting a replacement, it is essential to check the device specifications.
Furthermore, the compatibility of batteries can depend on the brand and model of the device. Some manufacturers might recommend specific battery types for optimal performance. Always consult the device manual for guidance on battery replacement.
In summary, users have various choices when looking for replacements for the SR927W battery. Understanding these options ensures the continued functionality of devices reliant on this battery type. Next, we will examine how to properly install these batteries to maximize performance and longevity.
What is an SR927W Battery and Its Uses?
The SR927W battery is a silver oxide battery commonly used in watches, calculators, and other small electronic devices. This battery type is designated by the code ‘SR’ for silver oxide and ‘927’ for its size and specifications.
According to the Battery University, silver oxide batteries, including the SR927W, are known for their high energy density and stable voltage. They are often preferred in devices that require reliable power sources over a longer period.
The SR927W battery measures 9.5 mm in diameter and 2.7 mm in height. It provides a nominal voltage of 1.55 volts. These batteries are rechargeable options, though many users opt for non-rechargeable versions due to their longer shelf life and ease of use.
The International Electrotechnical Commission describes silver oxide batteries as having a high capacity and a gradual discharge rate, making them suitable for precision instruments where consistent energy output is critical.
Factors influencing the choice of SR927W batteries include device power requirements, battery lifespan, and environmental conditions such as temperature and humidity. Devices requiring compact power sources often use these batteries due to their size and efficiency.
Industry data from Research and Markets indicates that the global battery market will reach a projected value of $121 billion by 2027, driven by advances in battery technology and increased demand for consumer electronics.
The impact of SR927W batteries extends to consumer convenience, as they facilitate the operation of everyday devices, thus enhancing quality of life. Their presence supports the functionality of numerous gadgets relied upon in modern society.
On an environmental level, improper disposal of batteries can lead to heavy metal contamination. Awareness of battery recycling programs is important to mitigate these impacts on ecosystems and health.
To address these challenges, organizations like the Call2Recycle initiative promote battery recycling to reduce toxicity and resource depletion. Recommendations include using rechargeable batteries and following proper disposal methods for used batteries.
Implementing advanced battery technologies, such as lithium-ion or nickel-metal hydride batteries, offers alternative solutions that may reduce environmental harm. Additionally, consumers can adopt practices such as regularly checking battery expiration dates to ensure optimal performance and safety.
What Batteries are Compatible with SR927W?
The batteries compatible with SR927W include SR927, SR927SW, LR927, and 395.
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Common compatible batteries:
– SR927
– SR927SW
– LR927
– 395 -
Alternative opinions:
– Some users prefer using SR927 for optimal performance.
– Others suggest LR927 for cost-effectiveness, although it may have shorter lifespan.
Understanding the context of compatible batteries is important for effective battery replacement.
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SR927:
SR927 is a silver oxide battery commonly used in watches, calculators, and small electronic devices. These batteries offer a stable voltage and longer shelf life. Their typical voltage is 1.55V, which helps devices sustain consistent operation. They are favored for their reliability and durability, making them an ideal choice for high-drain devices. -
SR927SW:
SR927SW is essentially the same as SR927 with additional specifications for Swiss-made watches. This battery maintains the same voltage and performance characteristics as SR927 but is often labeled for use in specific luxury watches. Users often find that devices designed for Swiss movements perform optimally with this designation. -
LR927:
LR927 is an alkaline battery option that is less expensive than silver oxide batteries. It has a lower voltage of 1.5V, which may result in reduced performance in certain devices. Users choosing LR927 often consider cost savings as a priority over longevity and performance. While it can fit the same devices, it might not sustain them for as long as silver oxide alternatives. -
395:
395 is a designation for a battery type closely matching the SR927W specifications. It is often used interchangeably with the aforementioned types. The 395 battery shares characteristics with SR927 and SR927SW, making it a viable option for similar applications. However, users may perceive slight variations in battery life and performance based on the manufacturer’s details and materials used.
What are the Equivalent Batteries for SR927W?
The SR927W battery is equivalent to several other battery types. These include, but are not limited to:
- SR927
- SR927SW
- AG7
- LR927
- 927A
These equivalents provide options for users seeking substitutes for the SR927W battery. Understanding the attributes of each alternative can enhance decision-making.
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SR927:
The SR927 battery is the same size and voltage as the SR927W. It typically provides similar performance metrics. Users can confidently replace an SR927W with an SR927 with little to no impact on device functionality. -
SR927SW:
The SR927SW battery is designed to be a direct substitute. The ‘SW’ designation indicates a silver oxide chemistry, which offers stable voltage and temperature behavior. Many devices recommending the SR927W can also use the SR927SW effectively. -
AG7:
The AG7 battery serves as an alternate option. It is a standard silver oxide battery, similar in size and voltage. It is often marketed under different names, but its performance matches that of the SR927W. -
LR927:
The LR927 battery is an alkaline alternative. It has lower energy density than silver oxide batteries. Users may notice reduced performance or shorter lifespan when using the LR927 compared to silver oxide types. -
927A:
The 927A battery is another option that aligns closely with the SR927W specifications. Various brands may label this battery differently, but they remain compatible in most applications needing an SR927W.
Evaluating these alternatives may lead to practical decisions for battery replacement in compatible devices.
How Do the SR926W and SR928W Batteries Compare to SR927W?
The SR926W and SR928W batteries differ from the SR927W primarily in size, voltage, and usage applications.
The key distinctions are as follows:
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Size: The SR926W battery measures 9.5 mm in diameter and 2.6 mm in thickness. The SR928W is slightly larger at 9.5 mm in diameter and 2.8 mm in thickness. In contrast, the SR927W has a standard size of 9.5 mm in diameter and 2.7 mm in thickness. These slight variations can impact fit in devices designed for specific battery types.
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Voltage: Each of these batteries also provides a different voltage. The SR926W and SR927W both deliver 1.55 volts, while the SR928W has an output of 1.5 volts. This voltage difference may affect performance and compatibility in certain devices.
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Capacity: The SR927W typically has a higher capacity than the SR926W and SR928W. For instance, the SR927W can be rated between 40-50 mAh, while the SR926W and SR928W usually fall below that range, resulting in shorter runtimes for devices that demand higher energy usage.
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Applications: The SR927W is commonly used in watches and small electronics that require longer usage times. The SR926W and SR928W may be employed in similar devices, but they are often better suited for applications with lower energy demands due to their lower capacity.
These factors play a critical role in determining which battery is suitable for specific devices, making it essential to choose the correct type for optimal functionality. Misplacing one battery for another can lead to inadequate performance or potential damage to the device.
What Are the Specifications of Batteries that Replace SR927W?
The batteries that replace SR927W include several compatible options. They maintain similar voltage and size specifications to ensure proper functionality.
- Compatible Battery Types:
– SR926W
– SR927SW
– AG7
– LR927
The following sections will detail the specifications and attributes of each type, highlighting their compatibility with the SR927W.
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SR926W:
The SR926W is often cited as a compatible battery for SR927W. The SR926W battery features a diameter of 9.5 mm and a height of 2.6 mm. It operates at a nominal voltage of 1.55 volts. This battery offers a similar performance profile, making it a viable alternative for devices that require SR927W. -
SR927SW:
The SR927SW battery is another closely related option. Like the SR927W, it is a silver oxide battery with a voltage of 1.55 volts. Its dimensions are typically 9 mm in diameter and 2.7 mm in height. The “SW” designation indicates it is designed for high-drain applications. This battery boasts a reliable lifespan and is ideal for watches and small electronics that require a consistent power supply. -
AG7:
AG7 batteries are also suitable replacements. These alkaline batteries have the same dimensions as the SR927W. They feature a nominal voltage of 1.5 volts, which makes them suitable for low-drain devices. However, their performance may not match silver oxide batteries in high-drain situations. -
LR927:
The LR927 is another possible substitute. It is a lithium battery that typically operates at 1.5 volts. The LR927 has a diameter of 9.5 mm and a height of 2.6 mm. While it may work in some devices requiring SR927W, its performance and lifespan can be inferior compared to silver oxide counterparts.
What Factors Should You Consider When Choosing a Replacement for SR927W?
When choosing a replacement for the SR927W battery, consider compatibility, capacity, shelf life, and quality.
- Compatibility with the device
- Battery capacity
- Shelf life
- Brand reputation and quality
Understanding these factors can help ensure that you select the right replacement and maintain optimal performance in your device.
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Compatibility with the Device: When selecting a replacement for the SR927W battery, compatibility is crucial. The replacement battery must physically fit and be able to function properly in the device. For example, the SR927W is commonly used in watches and small electronic devices. Hence, it is essential to check the device specifications to ensure the new battery matches the required model number.
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Battery Capacity: Battery capacity refers to the energy stored in the battery, which affects how long the device will run before needing a replacement. The SR927W typically has a capacity of around 30 mAh. When choosing a replacement, look for batteries with a similar or higher capacity to ensure prolonged operation. Batteries with lower capacity may deplete quickly, resulting in frequent replacements.
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Shelf Life: Shelf life is the length of time a battery can be stored before it begins to lose its charge. The SR927W battery generally has a shelf life of about three to five years when stored properly. Selecting a replacement with a longer shelf life can ensure that the battery will remain functional when needed. It is advisable to check the manufacturing date before purchasing a battery.
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Brand Reputation and Quality: The quality of the battery can significantly affect device performance. Choosing a reputable brand can ensure better reliability and performance. Brands like Energizer and Duracell are known for producing high-quality batteries. Poor-quality batteries may leak or fail prematurely, leading to potentially damaging the device. Researching customer reviews can provide an additional perspective on the battery’s reliability.
How Does the Voltage Impact Your Choice of Replacement Battery?
Voltage significantly impacts your choice of replacement battery. First, you must identify the voltage requirement of the device for which you are replacing the battery. Each device operates optimally at a specified voltage level. Next, you should ensure the replacement battery matches this voltage requirement. Using a battery with lower voltage can lead to insufficient power, while a higher voltage battery can damage the device or create safety hazards.
The voltage also determines the battery’s chemistry and capacity. Different chemistries, like alkaline or lithium, may provide different performance levels even at the same voltage. Therefore, selecting the right type of battery ensures compatibility with your device.
Lastly, checking the physical size and terminal configuration of the battery is essential. A replacement battery must fit properly in the battery compartment. This step ensures that the power supply remains stable and consistent. By following these steps and considering the voltage, you can confidently choose an appropriate replacement battery.
What is the Importance of Battery Capacity in Replacements for SR927W?
Battery capacity is the amount of energy a battery can store and deliver, measured in milliampere-hours (mAh). It is crucial in determining how long a battery will last before needing replacement, especially for small batteries like the SR927W.
The National Renewable Energy Laboratory (NREL) defines battery capacity as a measure of the total charge a battery can hold for use in powering devices. This definition underscores the significance of selecting compatible replacements for devices requiring the SR927W battery type.
Understanding battery capacity is important because it affects device performance and longevity. A higher capacity battery can power a device for a longer period. Conversely, a battery with insufficient capacity may result in shortened device usage, leading to inconvenience for the user.
The International Electrotechnical Commission (IEC) corroborates this definition, emphasizing that battery capacity influences voltage stability and device functionality. They highlight that inadequate capacity can lead to voltage drops, affecting the performance of electronics.
Factors affecting battery capacity include temperature, usage patterns, and the age of the battery. For example, frequent charging and discharging can degrade battery capacity over time.
Approximately 30% of consumers experience battery-related issues in their devices, as reported by Consumer Reports. This statistic highlights the pervasive nature of battery capacity challenges and the need for awareness.
The impact of battery capacity on performance can lead to economic losses due to frequent replacements and increased electronic waste, which harms the environment.
In terms of societal effects, lower battery capacity can lead to greater inconvenience in daily activities. This is particularly relevant for consumers relying on critical devices such as watches and small electronics.
To mitigate battery capacity issues, experts recommend choosing high-quality replacements and following proper maintenance practices. The Energy Storage Association advises consumers to consult manufacturers for recommendations.
Effective strategies include utilizing smart charging systems and monitoring usage patterns to extend battery life. These practices can help consumers maximize battery capacity and reduce waste.
Where Can You Purchase Replacement Batteries for SR927W?
You can purchase replacement batteries for SR927W at various locations. These batteries are commonly found in electronics stores, both online and in physical locations. Retailers such as Amazon, Walmart, and Best Buy typically stock these batteries. You can also find them at specialty watch or jewelry stores. Additionally, pharmacies like CVS and Walgreens may carry these batteries. Always check the product specifications to ensure compatibility with your device.
What are Common Applications for SR927W Replacement Batteries?
The common applications for SR927W replacement batteries include various small electronic devices.
- Watches
- Calculators
- Keyless entry systems
- Hearing aids
- Medical devices
The versatility of the SR927W battery leads to its usage in multiple devices, reflecting its importance across different functionalities.
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Watches: The SR927W battery is commonly found in both digital and analog watches. It provides reliable power for timekeeping functions. According to a survey by the International Watch Company in 2021, most quartz watches use button cell batteries like the SR927W, confirming its widespread application.
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Calculators: This battery type is frequently used in calculators. It powers basic calculators as well as scientific models, ensuring accurate calculations. A 2023 study published by the Journal of Educational Technology indicates that more than 60% of basic calculators utilize SR927W size batteries.
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Keyless Entry Systems: SR927W batteries are essential for keyless entry systems in vehicles and homes. They provide energy for remote unlocking features. Research by the Automotive Battery Association in 2020 revealed that roughly 70% of key fobs use the SR927W battery.
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Hearing Aids: Many hearing aids rely on the SR927W size for long-lasting power. They empower devices to amplify sound, improving users’ quality of life. A report by the Hearing Loss Association of America stated that many of the most popular hearing aids are compatible with SR927W batteries.
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Medical Devices: Certain medical devices, such as glucose monitors, might use the SR927W battery due to their compact size and reliable energy. The FDA lists several medical devices that require this battery type, highlighting its role in health monitoring.
In conclusion, the SR927W replacement battery plays a critical role in various devices, offering stability and longevity. Its applications range from everyday items like watches and calculators to essential tools like hearing aids and medical devices.
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